What are bolts made of?
Bolts take steel wire and zinc directly. Trace them back and you pass 15 made things on the way to 13 raw materials.
How bolts are made See it on the map
What goes straight in
From the ground: 13 raw materials
- Zinc ore through zinc
- Air through zinc
- Sulfur through zinc, sulfuric acid
- Water through zinc, sulfuric acid
- Iron ore through steel wire, steel, manganese
- Limestone through steel wire, steel, quicklime
- Dolomite through steel wire, steel, magnesium
- Manganese ore through steel wire, steel, manganese
- Natural gas through steel wire, steel, manganese
- Coal through steel wire, steel, manganese, coke
- Quartz through steel wire, steel, magnesium, metallurgical silicon
- Timber through steel wire, steel, magnesium, metallurgical silicon
- Crude oil through steel wire, steel, steel scrap, propane